USA Cycling announced the dates and venues for its 2010 American Mountain Bike Challenge (AMBC). All AMBC events will serve as qualifiers for the USA Cycling Mountain Bike National Championships, which are slated for July 15-18 in Granby, CO.

The 21-race AMBC series will visit 16 states over a period of seven months. Two events are new to the AMBC for 2010—the 17th Annual Barking Spider Bash in Boise, ID on April 10th and the Bear Creek Challenge in Macungie, PA on August 1st. The complete AMBC calendar is as follows:

Each stop on the AMBC series offers cross country events, and several stops offer short-track cross country, downhill, time trials, or super D competitions. The top ten finishers in each respective age group and ability category at an AMBC event will qualify to compete at the USA Cycling Mountain Bike National Championships. Visit the AMBC webpage for more information.